Abstract: A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side. The air side includes an air flow field including air channels that extend in a first direction, from a third peripheral edge of the interconnect to an opposing fourth peripheral edge of the interconnect; and riser seal surfaces disposed on two opposing sides of the air flow field and in which the fuel inlets and outlets are formed. The fuel side includes a fuel flow field including fuel channels that extend in a second direction substantially perpendicular to the first direction, between the fuel inlets and outlets; and a perimeter seal surface surrounding the fuel flow field and the fuel inlets and outlets.

Abstract: A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side. The air side includes an air flow field including air channels that extend in a first direction, from a third peripheral edge of the interconnect to an opposing fourth peripheral edge of the interconnect; and riser seal surfaces disposed on two opposing sides of the air flow field and in which the fuel inlets and outlets are formed. The fuel side includes a fuel flow field including fuel channels that extend in a second direction substantially perpendicular to the first direction, between the fuel inlets and outlets; and a perimeter seal surface surrounding the fuel flow field and the fuel inlets and outlets.

Abstract: A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side. The air side includes an air flow field including air channels that extend in a first direction, from a third peripheral edge of the interconnect to an opposing fourth peripheral edge of the interconnect; and riser seal surfaces disposed on two opposing sides of the air flow field and in which the fuel inlets and outlets are formed. The fuel side includes a fuel flow field including fuel channels that extend in a second direction substantially perpendicular to the first direction, between the fuel inlets and outlets; and a perimeter seal surface surrounding the fuel flow field and the fuel inlets and outlets.

Abstract: A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side. The air side includes an air flow field including air channels that extend in a first direction, from a third peripheral edge of the interconnect to an opposing fourth peripheral edge of the interconnect; and riser seal surfaces disposed on two opposing sides of the air flow field and in which the fuel inlets and outlets are formed. The fuel side includes a fuel flow field including fuel channels that extend in a second direction substantially perpendicular to the first direction, between the fuel inlets and outlets; and a perimeter seal surface surrounding the fuel flow field and the fuel inlets and outlets.

Abstract: A roof cap assembly for a fuel cell system includes a housing, and a cover assembly disposed on the housing and configured to move between a first position and a second position. The cover assembly includes a cover including a first opening and a second opening, and a door connected to the cover and configured to selectively open and close the second opening. When the cover assembly is in the first position, the door closes the second opening, such that the reaction exhaust and the cabinet exhaust are directed through the first opening. When the cover assembly is in the second position, the door opens the second opening, such that the cabinet exhaust is directed through first opening and the reaction exhaust is directed through the second opening.

Abstract: A power module system includes a plurality of vertically stacked power modules. The plurality of vertically stacked power modules include at least two vertical stacks. A shared exhaust plenum is located between the at least two vertical stacks of power modules.

Abstract: A modular fuel cell system includes a base, at least four power modules arranged in a row on the base, and a fuel processing module and power conditioning module arranged on at least one end of the row on the base. Each power module includes a separate cabinet which contains at least one fuel cell stack located in a hot box. The power modules are electrically and fluidly connected to the at least one fuel processing and power conditioning modules through the base.

Abstract: A pad for a fuel cell system includes a base having an upper surface, a separator disposed on the upper surface of the base, frames disposed on the separator and configured to support modules of the fuel cell system, and plumbing disposed between the upper surface of the base and the frames, and connected to the fuel cell modules. The separator is configured to space apart the frames and the upper surface of the base. The base may include modular sections that may be arranged in a linear configuration, a rectangular configuration, an orthogonal configuration, or a stepped configuration.

Abstract: A roof cap assembly for a fuel cell system includes a housing, and a cover assembly disposed on the housing and configured to move between a first position and a second position. The cover assembly includes a cover comprising a first opening and a second opening, and a door connected to the cover and configured to selectively open and close the second opening. When the cover assembly is in the first position, the door closes the second opening, such that the reaction exhaust and the cabinet exhaust are directed through the first opening. When the cover assembly is in the second position, the door opens the second opening, such that the cabinet exhaust is directed through first opening and the reaction exhaust is directed through the second opening.

Abstract: A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side. The air side includes an air flow field including air channels that extend in a first direction, from a third peripheral edge of the interconnect to an opposing fourth peripheral edge of the interconnect; and riser seal surfaces disposed on two opposing sides of the air flow field and in which the fuel inlets and outlets are formed. The fuel side includes a fuel flow field including fuel channels that extend in a second direction substantially perpendicular to the first direction, between the fuel inlets and outlets; and a perimeter seal surface surrounding the fuel flow field and the fuel inlets and outlets.

Abstract: A roof cap assembly for a fuel cell system includes a housing, and a cover assembly disposed on the housing and configured to move between a first position and a second position. The cover assembly includes a cover including a first opening and a second opening, and a door connected to the cover and configured to selectively open and close the second opening. When the cover assembly is in the first position, the door closes the second opening, such that the reaction exhaust and the cabinet exhaust are directed through the first opening. When the cover assembly is in the second position, the door opens the second opening, such that the cabinet exhaust is directed through first opening and the reaction exhaust is directed through the second opening.

Abstract: A sorbent bed assembly of a fuel cell system, including a first sorbent bed, a second sorbent bed and at least one third sorbent bed, the second sorbent bed disposed between the first sorbent bed and the at least one third sorbent bed, a cover plate on the plurality of sorbent beds and configured to connect the sorbent beds to one another, a fuel inlet connector on the cover plate and configured to receive a fuel, a manifold having a first fluid conduit configured to transport fuel between the first sorbent bed and at least one third sorbent bed, and a second fluid conduit configured to transport fuel between at least one third sorbent bed and the second sorbent bed, and a fuel outlet connector on the cover plate and configured to receive fuel that has passed through each of the sorbent beds.

Abstract: A power module system includes a plurality of vertically stacked power modules. The plurality of vertically stacked power modules include at least two vertical stacks. A shared exhaust plenum is located between the at least two vertical stacks of power modules.

Abstract: A sorbent bed assembly, a fuel cell system including the sorbent bed assembly, and methods of using the same. The sorbent bed assembly includes sorbent beds disposed in a stack, such that the sorbent beds extend lengthwise in a non-vertical direction, and conduits configured to fluidly connect the sorbent beds. One or more of the sorbent beds may also include a housing, a removable cartridge disposed in the housing and comprising a sorbent material configured to purify the fuel, and a support configured to prevent the fuel from bypassing the cartridge when the fuel flows through the housing.

Abstract: An air-cooled electronics module is disclosed. The air-cooled electronics module includes a housing and a heat exchanger disposed within the housing and separating the housing into a first portion and a second portion. The air-cooled electronics module also includes one or more electronic components disposed within the first portion, and one or more additional electronic components disposed within the second portion. The air-cooled electronics module further includes at least one fan configured to blow air into the second portion. The air in the first portion is substantially stagnant.

Abstract: A sorbent bed assembly of a fuel cell system, including a first sorbent bed, a second sorbent bed and at least one third sorbent bed, the second sorbent bed disposed between the first sorbent bed and the at least one third sorbent bed, a cover plate on the plurality of sorbent beds and configured to connect the sorbent beds to one another, a fuel inlet connector on the cover plate and configured to receive a fuel, a manifold having a first fluid conduit configured to transport fuel between the first sorbent bed and at least one third sorbent bed, and a second fluid conduit configured to transport fuel between at least one third sorbent bed and the second sorbent bed, and a fuel outlet connector on the cover plate and configured to receive fuel that has passed through each of the sorbent beds.

Abstract: A sorbent bed assembly, a fuel cell system including the sorbent bed assembly, and methods of using the same. The sorbent bed assembly includes sorbent beds disposed in a stack, such that the sorbent beds extend lengthwise in a non-vertical direction, and conduits configured to fluidly connect the sorbent beds. One or more of the sorbent beds may also include a housing, a removable cartridge disposed in the housing and comprising a sorbent material configured to purify the fuel, and a support configured to prevent the fuel from bypassing the cartridge when the fuel flows through the housing.

Abstract: A roof cap assembly for a fuel cell system includes a housing, and a cover assembly disposed on the housing and configured to move between a first position and a second position. The cover assembly includes a cover comprising a first opening and a second opening, and a door connected to the cover and configured to selectively open and close the second opening. When the cover assembly is in the first position, the door closes the second opening, such that the reaction exhaust and the cabinet exhaust are directed through the first opening. When the cover assembly is in the second position, the door opens the second opening, such that the cabinet exhaust is directed through first opening and the reaction exhaust is directed through the second opening.

Abstract: A pad for a fuel cell system includes a base having an upper surface, a separator disposed on the upper surface of the base, frames disposed on the separator and configured to support modules of the fuel cell system, and plumbing disposed between the upper surface of the base and the frames, and connected to the fuel cell modules. The separator is configured to space apart the frames and the upper surface of the base. The base may include modular sections that may be arranged in a linear configuration, a rectangular configuration, an orthogonal configuration, or a stepped configuration.

Abstract: An air-cooled electronics module is disclosed. The air-cooled electronics module includes a housing and a heat exchanger disposed within the housing and separating the housing into a first portion and a second portion. The air-cooled electronics module also includes one or more electronic components disposed within the first portion, and one or more additional electronic components disposed within the second portion. The air-cooled electronics module further includes at least one fan configured to blow air into the second portion. The air in the first portion is substantially stagnant.